Nissan Maxima Service and Repair Manual: B2623 inside key antenna 3

Description

Detects whether Intelligent Key is inside the vehicle.

Installed in the trunk room.

DTC Logic

NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.

  • Check Intelligent Key relative signal strength
  • Confirm vehicle Intelligent Key antenna signal strength

DTC DETECTION LOGIC

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Perform rear parcel shelf antenna INSIDE ANT DIAGNOSIS on "Work Support" of "INTELLIGENT KEY".
  2. Perform "INTELLIGENT KEY" Self Diagnostic Result.

Diagnosis Procedure

NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.

  • Check Intelligent Key relative signal strength
  • Confirm vehicle Intelligent Key antenna signal strength

1. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

  1. Turn ignition switch OFF.
  2. Check signal between BCM connector and ground with oscilloscope.

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

2. CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

  1. Disconnect BCM and rear parcel shelf antenna connector.
  2. Check continuity between BCM connector and rear parcel shelf antenna connector.
  3. Check continuity between BCM connector and ground.

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

3. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

  1. Replace rear parcel shelf antenna (new antenna or other antenna).
  2. Connect BCM and rear parcel shelf antenna connector.
  3. Check signal between BCM connector and ground with oscilloscope.

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

    B2622 inside key antenna 2
    Description Detects whether Intelligent Key is inside the vehicle. Installed under the center console. DTC Logic NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following ...

    Power supply and ground circuit
    Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blown 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect BCM. C ...

    Other materials:

    Filament
    Inspection and Repair INSPECTION When measuring voltage, wrap tin foil around the top of the negative probe. Then press the foil against the wire with your finger. Attach probe circuit tester (in Volt range) to middle portion of each filament. If a filament is burne ...

    Antenna AMP
    Removal and Installation REMOVAL Remove the rear pillar finisher RH. Refer to INT-23, "Exploded View". Detach the antenna amp. harness clip (A). Disconnect the harness connectors (B) from the antenna amp. (1). Remove the antenna amp. screw (C) and the antenna amp. (1). INSTALLAT ...

    Passenger compartment
    WARNING Never use a fuse of a higher or lower amperage rating than specified on the fuse box cover. This could damage the electrical system or electronic control units or cause a fire. If any electrical equipment does not operate, check for an open fuse. 1. Be sure the ignition switch ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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